MEDIUM
Lower Secondary Stage 8
IMPORTANT
Earn 100
Describe one way the body uses the starch we eat.
Important Questions on Obtaining Food
MEDIUM
Lower Secondary Stage 8
IMPORTANT
Name one condition that can result from eating too many starchy foods.
MEDIUM
Lower Secondary Stage 8
IMPORTANT
Name two substances the water lily always needs to make food.
EASY
Lower Secondary Stage 8
IMPORTANT
Name the chemical reaction that plants use to make food.
MEDIUM
Lower Secondary Stage 8
IMPORTANT
Mia tests a lily leaf to find out if it contains starch. These are the steps she uses. They are in the incorrect order.
| A | B | C | D |
| Wash the leaf in water (to remove ethanol and soften it again) | Add iodine solution to the leaf | Remove chlorophyll using ethanol | Soften the leaf by boiling water |
MEDIUM
Lower Secondary Stage 8
IMPORTANT
Water lilies have large flat leaves covering the surface of the water.
Explain how this feature helps the plants survive.
MEDIUM
Lower Secondary Stage 8
IMPORTANT
Suggest why you find few plants growing underneath lilies.
MEDIUM
Lower Secondary Stage 8
IMPORTANT
Explain how a water lily is different to a human in the way its gets nutrition.
MEDIUM
Lower Secondary Stage 8
IMPORTANT
State why we need carbohydrates in our diet.
